Finding the Fourth Proportional to 42,027,918.18, 58,001,126.25 and 23,189,408.09
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Solution
The fourth proportional to 42,027,918.18, 58,001,126.25 and 23,189,408.09 is: 32,002,817.28
Step by Step Solution
- Step 1: Write the proportion equation
42,027,918.18 : 58,001,126.25 = 23,189,408.09 : x - Step 2: Convert to fraction form
42,027,918.18/58,001,126.25 = 23,189,408.09/x - Step 3: Cross multiply
42,027,918.18x = 58,001,126.25 × 23,189,408.09 - Step 4: Simplify right side
42,027,918.18x = 1,345,011,786,000,855.75 - Step 5: Solve for x
x = 1,345,011,786,000,855.75/42,027,918.18 - Step 6: Final answer
x = 32,002,817.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.